How to Use Trigonometry & Triangle Calculator
Simple guide for solving right triangles and trig identities:
STEP 01
Choose Mode
Select Trig Functions, Right Triangle, or Law of Cosines solver.
STEP 02
Enter Angles / Sides
Type your known angles or side lengths into the form fields.
STEP 03
Instant Trig Ratios
Real-time calculations for sin, cos, tan, hypotenuse, and opposite/adjacent angles.
STEP 04
Copy Answers
Copy exact ratios or decimal angle solutions directly into your notes.